Pathology All India exam 93831bde Which of the following is not true about Carvedilol? A b1 + b2 + a1 adrenergic receptor blocker B Oral bioavailability is almost 80% C Has antioxidant propey D Cardioprotective in CHF High-Yield Explanation Oral bioavailability of carvedilol is 30%. It is primarily metabolized and has a t1/2 of 2-8 hrs.